PokerSolver/4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/BTN vs CO 5-bet 20.24bb

BTN vs CO 5-bet 20.24bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 250bb · CO limps, BTN isolates to 2bb, CO 3-bets to 4bb, BTN 4-bets to 9.2bb, CO 5-bets to 20.24bb · Button to act

4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game

PlayersBlinds & rakeEff. stack

Stacks (bb), if they differCOBTNSBBB

Pot 31.58bbYour cards?

9.2bb

0.5bb

1bb

20.24bb

Tap your two cards.

Button's range

388 of 1,326 combos get here

Fold 53.2%Call 40.7%All-in 249.84bb 6.1%

Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the button (BTN) when CO limps, BTN isolates to 2bb, CO 3-bets to 4bb, BTN 4-bets to 9.2bb, CO 5-bets to 20.24bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 250bb?

CO limps, BTN isolates to 2bb, CO 3-bets to 4bb, BTN 4-bets to 9.2bb, CO 5-bets to 20.24bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 250bb: the button (BTN) folds 53.2%, calls 40.7% and goes all-in 249.84bb 6.1%. Always call: QQ, 88, 66, 22-33, AQs, KQs, JTs, 87s, 54s. Mixed: KK+, 99-TT, 77, 55, AKs, ATs-AJs, A5s-A8s, A2s-A3s, KJs, K8s, K5s-K6s, K3s, QTs+, Q8s, J8s-J9s, T9s, T7s, 98s, 76s, 64s+, AQo+, A5o.

Always fold: Q7s, 86s, A8o-ATo, KTo+, QTo+, JTo
Always call: QQ, 88, 66, 22-33, AQs, KQs, JTs, 87s, 54s
Always all-in 249.84bb: No hand plays this every time
Mixed: KK+, 99-TT, 77, 55, AKs, ATs-AJs, A5s-A8s, A2s-A3s, KJs, K8s, K5s-K6s, K3s, QTs+, Q8s, J8s-J9s, T9s, T7s, 98s, 76s, 64s+, AQo+, A5o

Settings: 4-max · 250bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 250bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.91). A jackpot fee on bigger pots is not in this solve, so lines that build big pots may be slightly too loose. Bet sizes are the solved ones; a size that is not here plays like the nearest one.

Fits exactly: no game we have checked.

Close: CoinPoker cash with antes NL50 (rake before the flop in 3-bet pots there, none here).

Rake sources: the ante from 93 of our own CoinPoker hands at $0.25/$0.50 with a $0.08 ante, played 2026-09-30; the caps and the preflop rule from coinpoker.com/games/texas-holdem/, fetched 2026-10-31.